Calculating exponents, If the speed of lights is 3.00x 10

Calculating exponents

Reference no: EM13120662

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise. ( Please show work.)

1. If the speed of lights is 3.00x 10 to the power of 8 m/sec, how long does it take light to travel 2.29x 10 to the power of 11 m, the distance from the sun to Mars? Round to one decimal place.

2. A computer can do one calculation in 1.4 x 10 to the power of -7 seconds. How long would it take the computer to do a trillion (10 to the power of 12) calculations? ( round to one decimal place.)

Find the function value.

1. Find f(a-4) when f(x)=xto the power of 2-3.

2. Find f(-7) when f(x) = -5x-43.

Reference no: EM13120662

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